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1.4. Arc rays.
Arc rays from the welding process produce intense visible and invisible ultraviolet and infrared rays
that can burn eyes and skin.
- Use a shield with an adequate lter to protect your eyes from sparks and the rays of the arc when
welding or for observing the welding arc.
- Use appropriate clothing made from ame-resistant material to protect your skin and that of your
helping personnel from the welding arc rays.
- Protect the nearby personnel with protective non- ammable elements. The nearby personnel must
be warned about not to watch the arc directly nor expose themselves to the arc.
1.5. Exterlans and moving parts.
- Keep all security equipment, guards, lters, covers and devices in position and in good state.
- Keep hands, hair, clothing and tools away from fans and all other moving parts when starting,
operating or repairing equipment.
- Don't put the hands near the fan.
1.6. Fire and explosion.
NEVER ADD FUEL NEAR FLAME, A WELDING ARC, HOT METAL SPLATTER, OR
WHEN THE ENGINE IS RUNNING.
Stop the engine and allow it to cool before refueling to prevent spilled fuel from vaporizing on contact
with hot engine parts and igniting. Do not spill fuel when lling tank. If fuel is spilled, wipe it up and do
not start engine until fumes have been eliminated.
Welding on closed containers, such as tanks, drums, or pipes, can cause them to explode. Flying sparks
from the welding arc, hot work piece, and hot equipment can cause res and burns. Accidental contact
of electrode to metal objects can cause sparks, explosion, overheating, or re. Check and be sure the
area is safe before doing any welding.
- Remove re hazards from the welding area. If this is not possible, cover them to prevent the welding
sparks from starting a re. Remember that welding sparks can easily go through small openings to
adjacent areas. Avoid welding near hydraulic lines. Keep a re extinguisher available.
- To avoid hazardous situations in places where compressed gases are used additional precautions
should be taken.
- While there is no welding operation being done, make sure no part of the circuit is in contact with the
working piece or the ground. Accidental contact can cause overheating or re hazard.
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